Which Computer Knowledge topics matter most for SSC CGL?

MS Office (Word, Excel, PowerPoint) & Windows carry the highest question counts based on previous-year analyses.

Is this Computer Knowledge material free?

Yes — every chapter, practice set and flashcard deck here is free. Premium mock tests and live courses from tutors are labelled separately.

SSC CGLComputer Knowledge

Computer Knowledge for SSC CGL

Tier 2 qualifying module — 20 questions you cannot afford to fail.

📊 Tier 2 only: 20 Q / 60 marks in 15 min — qualifying, but failing it fails the attempt

How toppers play this section

Qualifying ≠ optional: miss the cutoff here and your 390 merit marks are void. The module is shallow — hardware basics, Windows + MS Office, internet & email, cyber security — one focused week covers all of it.

Chapters

Built to the SSC CGL blueprint — notes, shortcuts, solved PYQ-style examples and practice in every chapter.

1Computer Basics and HardwareThe core of the qualifying Computer Knowledge module — 20 questions, 60 marks, 15 minutes. Generations, CPU architecture, the memory hierarchy, storage units and device classification. The questions are school-level; the risk is only in not having revised them.⏱ 18 min read

2MS Office & Windows5–6 of the 20 Computer Knowledge questions come from MS Word, Excel, PowerPoint and Windows — shortcuts, file extensions, menu locations and Excel functions. The module is qualifying, but failing it voids your 390 merit marks. This chapter is the complete recall sheet.⏱ 20 min read

3Internet, Email and Networking4–6 of the qualifying module's 20 questions — protocols, email fields, network types and devices. Full forms and one-line roles are the entire game: SMTP sends, POP/IMAP receive, DNS translates names, the modem modulates. Learn the map, collect the marks.⏱ 16 min read

4Cyber Security2–4 of the qualifying module's 20 questions — malware families, phishing and its cousins, firewalls and safe habits, plus the IT Act and CERT-In. Every question is "name the threat" or "name the defence"; this chapter is the glossary.⏱ 15 min read

Topic-wise weightage in SSC CGL

Expected question counts from previous-year paper analyses. Topics with an arrow already have a full chapter.

Topic	Tier 1 Q	Tier 2 Q	Priority
Computer basics & hardware (CPU, memory, ports, I/O)	—	4–5	High
MS Office (Word, Excel, PowerPoint) & Windows	—	5–6	Very high
Internet, email & networking	—	4–5	High
Cyber security (threats & prevention)	—	2–3	Medium